Pith Number

pith:LMOGAXU6

pith:2012:LMOGAXU6C4IDM2D4HK63UD5SA4

not attested not anchored not stored refs pending

Free and Very Free Morphisms into a Fermat Hypersurface

John Yu, Joseph Eddy, Michael Newman, Rankeya Datta, Tabes Bridges

arxiv:1207.5015 v2 · 2012-07-20 · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LMOGAXU6C4IDM2D4HK63UD5SA4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:50:10.284456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b1c605e9e171036687c3abdba0fb20714a77a29646af8418acb83b3843baae7

Aliases

arxiv: 1207.5015 · arxiv_version: 1207.5015v2 · doi: 10.48550/arxiv.1207.5015 · pith_short_12: LMOGAXU6C4ID · pith_short_16: LMOGAXU6C4IDM2D4 · pith_short_8: LMOGAXU6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/LMOGAXU6C4IDM2D4HK63UD5SA4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5b1c605e9e171036687c3abdba0fb20714a77a29646af8418acb83b3843baae7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c00f42d4d7d92432f0ea8a63c4c5bb7af164d05a7ff2286140a39564eccfb5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-07-20T18:32:59Z",
    "title_canon_sha256": "002c6703efb0ca16d2ffc1e90cdd288af6119cf2eff8ff94da4b9e477532d016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5015",
    "kind": "arxiv",
    "version": 2
  }
}